MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts sealed for protection. With an impressive operating temperature range of -65 °C to 200 °C, they offer reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, these connectors cater to diverse installation needs. The aluminum shells come in different plating options, including cadmium-free finishes, ensuring compliance with RoHS regulations. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 12. These connectors, with gold-plated removable crimp contacts, guarantee high conductivity and durability, making them ideal for military and industrial applications.